806858379828 has 36 divisors (see below), whose sum is σ = 2039594677120. Its totient is φ = 268948046736.

The previous prime is 806858379787. The next prime is 806858379841. The reversal of 806858379828 is 828973858608.

806858379828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2303901 + ... + 2630907.

Almost surely, 2^806858379828 is an apocalyptic number.

It is an amenable number.

806858379828 is an abundant number, since it is smaller than the sum of its proper divisors (1232736297292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806858379828 is a wasteful number, since it uses less digits than its factorization.

806858379828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395556 (or 395551 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 72.

The spelling of 806858379828 in words is "eight hundred six billion, eight hundred fifty-eight million, three hundred seventy-nine thousand, eight hundred twenty-eight".